Home / 30,624,569.50-42,261,373.80-16,686,039.15

Finding the Fourth Proportional to 30,624,569.50, 42,261,373.80 and 16,686,039.15

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Solution

The fourth proportional to 30,624,569.50, 42,261,373.80 and 16,686,039.15 is: 23,026,444.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,624,569.50 : 42,261,373.80 = 16,686,039.15 : x
  2. Step 2: Convert to fraction form
    30,624,569.50/42,261,373.80 = 16,686,039.15/x
  3. Step 3: Cross multiply
    30,624,569.50x = 42,261,373.80 × 16,686,039.15
  4. Step 4: Simplify right side
    30,624,569.50x = 705,174,937,759,584.25
  5. Step 5: Solve for x
    x = 705,174,937,759,584.25/30,624,569.50
  6. Step 6: Final answer
    x = 23,026,444.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.